It had no executive branch to enforce the laws of the land, congress has no power to tax individual states, and each state printed its own currency.
Answer: People in the Nile River Valley Civilization depended quite a lot on farming. Being close to the Nile River allowed easy access to water that was needed for crops. The seasonal flooding that happened readied the land for the next year's crops. Agriculture was necessary for survival, growth, and economics.
Communist countries. So countries like Russia, North Korea etc